Introduce isStagingServer util method

ts/components/installScreen/InstallScreenChoosingDeviceNameStep.tsx

@@ -42,7 +42,7 @@ export function InstallScreenChoosingDeviceNameStep({
     normalizedName.length <= MAX_DEVICE_NAME_LENGTH;
 
   let maybeBackupInput: JSX.Element | undefined;
-  if (getEnvironment() !== Environment.Production) {
+  if (getEnvironment() !== Environment.PackagedApp) {
     maybeBackupInput = (
       <label className="module-InstallScreenChoosingDeviceNameStep__input">
         {/* Since this is only for testing - we don't require translation */}

ts/components/installScreen/InstallScreenQrCodeNotScannedStep.stories.tsx

@@ -58,6 +58,7 @@ function Simulation({
   return (
     <InstallScreenQrCodeNotScannedStep
       i18n={i18n}
+      isStaging={false}
       provisioningUrl={provisioningUrl}
       updates={DEFAULT_UPDATES}
       OS="macOS"
@@ -72,6 +73,7 @@ export function QrCodeLoading(): JSX.Element {
   return (
     <InstallScreenQrCodeNotScannedStep
       i18n={i18n}
+      isStaging={false}
       provisioningUrl={{
         loadingState: LoadingState.Loading,
       }}
@@ -88,6 +90,7 @@ export function QrCodeFailedToLoad(): JSX.Element {
   return (
     <InstallScreenQrCodeNotScannedStep
       i18n={i18n}
+      isStaging={false}
       provisioningUrl={{
         loadingState: LoadingState.LoadFailed,
         error: InstallScreenQRCodeError.Unknown,
@@ -105,6 +108,7 @@ export function QrCodeLoaded(): JSX.Element {
   return (
     <InstallScreenQrCodeNotScannedStep
       i18n={i18n}
+      isStaging={false}
       provisioningUrl={LOADED_URL}
       updates={DEFAULT_UPDATES}
       OS="macOS"
@@ -164,6 +168,7 @@ export const WithUpdateKnobs: StoryFn<PropsType & { dialogType: DialogType }> =
     return (
       <InstallScreenQrCodeNotScannedStep
         i18n={i18n}
+        isStaging={false}
         provisioningUrl={LOADED_URL}
         hasExpired
         updates={{

ts/components/installScreen/InstallScreenQrCodeNotScannedStep.tsx

@@ -19,7 +19,6 @@ import { InstallScreenSignalLogo } from './InstallScreenSignalLogo';
 import { InstallScreenUpdateDialog } from './InstallScreenUpdateDialog';
 import { getClassNamesFor } from '../../util/getClassNamesFor';
 import type { UpdatesStateType } from '../../state/ducks/updates';
-import { Environment, getEnvironment } from '../../environment';
 
 // We can't always use destructuring assignment because of the complexity of this props
 //   type.
@@ -31,6 +30,7 @@ export type PropsType = Readonly<{
   updates: UpdatesStateType;
   currentVersion: string;
   OS: string;
+  isStaging: boolean;
   retryGetQrCode: () => void;
   startUpdate: () => void;
 }>;
@@ -46,6 +46,7 @@ export function InstallScreenQrCodeNotScannedStep({
   currentVersion,
   hasExpired,
   i18n,
+  isStaging,
   OS,
   provisioningUrl,
   retryGetQrCode,
@@ -102,12 +103,12 @@ export function InstallScreenQrCodeNotScannedStep({
               />
             </li>
           </ol>
-          {getEnvironment() !== Environment.Staging ? (
+          {isStaging ? (
+            'THIS IS A STAGING DESKTOP'
+          ) : (
             <a target="_blank" rel="noreferrer" href={SUPPORT_PAGE}>
               {i18n('icu:Install__support-link')}
             </a>
-          ) : (
-            'THIS IS A STAGING DESKTOP'
           )}
         </div>
       </div>